A 150 V battery is connected across two parallel metal plates of area 285 cm? and separation
Question:
A 150 V battery is connected across two parallel metal plates of area 285 cm? and separation 8.20 mm. A beam of alpha particles (charge +2e, mass 6.64 X 10-27 kg) is accelerated from rest through a potential difference of 1.75 kV and enters the region between the plates perpendicular to the electric field. What magnitude and direction of magnetic field are needed so that the alpha particles emerge undeflected from between the plates?
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IDENTIFY For the alpha particles to emerge from the plates undeflected the magnetic force on them mu...View the full answer
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A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field. The video shows the practical implications of magnetic force around different objects.
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